In order to explore the newly discovered planet, Promethe, there are many projects are running all over the world.<br><br> Here in Japan, under the direction of Dr. Oedo, "Space Carrier Jasdum" and "Planet Robot Dangard A" are being built. Ichimonji Takuma is a candidate for the pilot of Dangard A. His father, Ichimonji Dantetsu, was a famous space pilot.<br><br> However, Dantetsu went missing after a mysterious accident, and the people blamed him for the accident. In order to clear his name, Takuma is trying to become a space pilot and succeed in the project. Will Takuma become the pilot?